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| Registros recuperados: 24 | |
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| Amara Wiengwira; Chanika Kiewnarong; Oranooch Ratanalerdsakul; Laddawan Kunnoot; Samrarn Saruno; Sarinee Chanrassamee. |
| Study examines the economic efficiency in organic rice production in Chiang Mai, Chiang Rai, Yasothon, Surin and Phatthalung province. Data for the study was collected from 223 organic rice farmers in the 5 provinces. Production function analyses which incorporate the conventions test of economic and technical efficiencies were use as the analytical technique. Finding resealed that gained the economical return in term the ratio of net income over the production cost of 6.7, 4.3, 3.6, 2.3 and 1.2 in Surin, Chiang Mai, Chiang Rai, Phatthalung and Yasothon respectively. Further environmental effect was the factor is the most influencing farmer decision to change production cost rather than market price, marketing and outside supporting. |
| Tipo: Collection |
Palavras-chave: Organic rice production; Economic efficiency; Technique efficiency; Production function; การผลิตข้าวอินทรีย์; ประสิทธิภาพเชิงเศรษฐกิจ; ประสิทธิภาพเชิงเทคนิค; ต้นทุนการผลิต; ผลตอบแทน. |
| Ano: 2011 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/123456789/3108 |
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| Suthip Khakong; Khunnitee Leelarasamee; Atchariya Suwannasang; Nirut Sukkasem. |
| Studies of using mangosteen leaf extract, which contains active compounds similar to steroid hormones, on sex-reversal in Nile tilapia (Oreochromis niloticus) were conducted in 2 experiments; 1) incubating of early-stage eggs in water containing mangosteen leaf extract at concentrations of 0, 1, 2.5, and 5 g of mangosteen leaves/l for 7 days, 2) nursing of fry aged 2-day after yolk sac absorption in water containing mangosteen leaf extract at concentrations of 0, 1, 2, and 3 g of mangosteen leaf/l for 28 days The results shown that, eggs were unable to hatch in water containing mangosteen leaf extracts the concentration of 5 g/l. Also the fry was unable to survive in water containing mangosteen leaves extracts at concentrations of 3 g/l. As for the rest,... |
| Tipo: Collection |
Palavras-chave: Nile tilapia; Mangosteen leaf; Sex-reversal; ปลานิล; เพศผู้; ใบมังคุด; การแปลงเพศ; สารสกัด; การอนุบาลลูกปลา; อัตราการรอดตาย; ต้นทุนการผลิต. |
| Ano: 2011 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5168 |
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| Registros recuperados: 24 | |
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